No problem, we've got 8642 and 9063 to multiply
8642 × 9063 = 9063 × (8642)
+ 9063 × 2 that results in 18126
+ 9063 × 40 giving us 362520
+ 9063 × 600 which equals 5437800
+ 9063 × 8000 resulting in 72504000

= 78322446
